<?php

namespace app\admin\controller;

use addons\epay\library\Yansongda\Pay\Exceptions\Exception;
use app\common\controller\Backend;
use think\facade\Db;

/**
 * 因子管理
 *
 * @icon fa fa-circle-o
 */
class Factor extends Backend
{

    /**
     * Factor模型对象
     * @var \app\admin\model\Factor
     */
    protected $model = null;
    protected $relationSearch = true;
    protected $searchFields = 'id';

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Factor;

    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post('row/a');
            if ($params) {
                $params = $this->preExcludeFields($params);

                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                $result = false;
                Db::startTrans();

                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace('\\model\\', '\\validate\\', get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                        validate($validate)->scene($this->modelSceneValidate ? 'edit' : $name)->check($params);
                    }

                    $cc = $this->rule_check($params['expression']);
                    if ($cc) {
                        $this->error('因子公式存在非法字符:' . $cc);
                    }
                    $result = $this->model->save($params);
                    Db::commit();
                } catch (\Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }

        return $this->view->fetch();
    }

    /**
     * 编辑
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post('row/a');
            if ($params) {
                $params = $this->preExcludeFields($params);
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace('\\model\\', '\\validate\\', get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? $name : $this->modelValidate;
                        $pk = $row->getPk();
                        if (!isset($params[$pk])) {
                            $params[$pk] = $row->$pk;
                        }
                        validate($validate)->scene($this->modelSceneValidate ? 'edit' : $name)->check($params);
                    }
                    $cc = $this->rule_check($params['expression']);

                    if ($cc) {

                        throw new \Exception('因子公式存在非法字符:' . $cc);
                    }
                    $result = $row->save($params);
                    Db::commit();
                } catch (\Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign('row', $row);

        return $this->view->fetch();
    }


    public function rule_check($expr)
    {
        $str = ['+', '-', '*', '/', '<题目编号>', '(', ')', '[因子编号]', 'allscore', 'allcount', 'factorscore', 'factorcount', ' ','0','1','2','3','4','5','6','7','8','9'];
        //所有的因子编号
        $factor_code = Db::name('factor')->group('code')->field('code')->select()->toArray();
        foreach ($factor_code as $vv) {
            $str[] = "[{$vv['code']}]";
        }
        //所有题目编号
        $subject_ids = Db::name('subject_exam')->field('id')->select()->toArray();
        foreach ($subject_ids as $vv) {
            $str[] = "<{$vv['id']}>";
        }
        return str_replace($str, '', $expr);

    }


}
